Suggessions required to improve perfomance of ADF7021-V
Hi all, I have interface ADF7021-V daughterboard with an 8 bit microcontroller to transmit a realtime ECG signal. I found the system is working perfectly without any error in case of Line Of Sight...
View ArticleMesh network with ADF7021
Hi all, I have interfaced an ADF7021V for transferring a realtime biomedical signal. Now I would like to create a mesh network for data transfer with this device. Is the higher layer protocols...
View Article3 lead ECG
I am planning to build a wireless ECG sensor. This is my first attempt to do anything of this sort. I was wondering if i should go AC-coupled AFE or DC-coupled AFE? Which one would be easier?
View ArticleADF4007 PLL
Hello .; I am using ADF4007 PLL in my application board. PLL loses lock when, I try to read either R or N divider at MUXOUT pin. What would be the possible reason/s?Supplementary question: Would it be...
View ArticleADN2830 Laser Diode Controller
I have spun a board for the ADN2830 to control a JDSU laser with internal photo detector. The good news is both the cathode and anodeare isolated from the case. I'm using two in master/slave as I need...
View ArticleConfirm die markings to top markings
We have P/N AD641AP with Date Codes 0043, 0045, 0313, and 0320. The Die (wafer) marking found on all devices is AD640 ADI M 1988. The back side injector had PHILIPPINES with various numbers such as...
View ArticleLooking for a PCB layout sample for AD8497
I have looked all over the internet for a sample layout for ultiboard for the AD8497 Thermocouple. I am manufacturing the circuit for a class using the basic connection from the data sheet....
View ArticleConfirm die markings to top markings
We have P/N AD641AP with Date Codes 0043, 0045, 0313, and 0320. The Die (wafer) marking found on all devices is AD640 ADI M 1988. The back side injector had PHILIPPINES with various numbers such as...
View ArticleRF 7023 with ADF7xxxMB3Z board
Hi,I am trying to follow the instructions given in the Eval note, but facing following problems: 1. In page 4: supposed to wait for BUSY signal Can't find anything in the UI screen.2. Firmware...
View ArticleADMP441 iMEMS® microphones
Hi all I see non-white noise when using the ADMP441 microphones. If you are a user of this microphone, would you mind recording a few seconds of no signal (just room acoustics - feel free to say...
View ArticleHelp whit ADIS 16405
Hi my name is Jorge Piatti from Argentina!! i buy a sensor ADIS 16405 IMU, and need some help understanding how to interpret the data sent by the gyroscope. If anyone can help me understand that no...
View Article433 remote control
Hi, I need to design a 433MHz remote control: ° 433Mhz, max : 10 dBm° Distance Range : 500 m ° Antenna is a PCB traceRegarding ADF7023, which modulation (ASK, FSK, OOK...) do you advice for :...
View ArticleADF7012 RF output impedance
Dear, Can anyone kindly provide us RF output impedance of ADF7012 around 145MHz?We'd really appreciate if anyone has data on this as we're not equipped with load-pull measurements. Thank you in...
View ArticleAD630 Lock-in Amp
Hello everyone, I am looking to implement a lock-in amplifier in the range of 100kHz to 1MHz to obtain amplitude and phase information. Any thoughts on whether the AD630 will be ok for this frequency...
View ArticleADF7021 with external Rx/Tx switch (ADG919)
Hi, we have made and are using RF modules based on the ADF7021 transceiver with it's internal Rx/Tx switch. So far we are very satisfied with its performance. But we would like to go one step further...
View ArticleADCMP573 Eval Board Questions
I have a couple of questions about the ADCMP573 and its Eval board. Does the HYS Pin also affect the hysteresis of the Latch enable pins? If I leave the HYS Pin disconnected, how much less hysteresis...
View Articleadf7021-N
what exactly are the output pins mix_i and mix_q and fil i and fil q for? image rejection how do i know the signal i'm getting is lower one or higher one with respect to reference signal
View ArticleADF7021-N,RSSI level always 0.Where is my error?
Hi to everybody in this forum,thanks in advance just for reading this My firmware is not able to read RSSI level on ADF7021-N mounted on a specific board The board itself can be connected to the Eval...
View ArticleADCMP572 VTT pin confusion
We've received 2 ADCMP572 eval boards, but unfortunately the documentation for the part and the eval board seems to be inconsistent.As a result, I have a question: should VTT (pin 8) be tied to GND or...
View ArticleADN2830 Laser Diode Controller
I have spun a board for the ADN2830 to control a JDSU laser with internal photo detector. The good news is both the cathode and anodeare isolated from the case. I'm using two in master/slave as I need...
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